10+ Interview Questions and Answers

EGR system reduces NOx emissions by recirculating a portion of exhaust gas back into the engine intake.

• EGR valve controls the flow of exhaust gas into the intake manifold

• Recirculated exhaust gas reduces combustion temperature and lowers NOx emissions

• EGR system can cause carbon buildup in the intake manifold and reduce engine performance

• EGR system is commonly used in diesel engines

• EGR system can be disabled or removed for performance gains, but it is illegal in some regions

Two stroke engines have a power stroke every revolution, while four stroke engines have a power stroke every other revolution.

• Two stroke engines have a simpler design and are lighter than four stroke engines.

• Four stroke engines are more fuel efficient and produce less emissions than two stroke engines.

• Examples of two stroke engines include chainsaws and dirt bikes, while examples of four stroke engines include cars and motorcycles.

• Two stroke engines require a mixture of oil a...read more

Petrol engines use spark ignition while diesel engines use compression ignition.

• Petrol engines have higher RPMs and are more suitable for high-speed driving.

• Diesel engines have higher torque and are more fuel-efficient.

• Petrol engines are lighter and quieter while diesel engines are heavier and noisier.

• Petrol engines emit more CO2 while diesel engines emit more NOx and particulate matter.

• Examples of petrol engines: Honda Civic, Toyota Corolla. Examples of diesel engines: Ford ...read more

Vernier Kelly Park is a public park located in the city. It offers various recreational activities and amenities for visitors.

• Vernier Kelly Park is a public park

• Located in the city

• Offers recreational activities and amenities

• Open to visitors

Punches are used to create holes in materials. There are different types of punches and angles, including center punch, prick punch, and dot punch.

• Center punch is used to mark the center of a hole to be drilled

• Prick punch is used to mark a point on a surface

• Dot punch is used to create a small indentation on a surface

• Punch angles can vary depending on the material being punched and the desired outcome

Different types of hammers are used for different purposes. Ballpen hammers are used for delicate work while claw hammers are used for heavy-duty work.

• Ballpen hammers have a small head and are used for delicate work like driving small nails or pins.

• Claw hammers have a larger head and a claw on the opposite side for removing nails.

• Sledgehammers are used for heavy-duty work like breaking concrete or driving stakes.

• Mallets are used for woodworking and have a soft head to prevent...read more

A capacitor is an electronic component that stores and releases electrical energy in a circuit.

• Capacitors are used to filter out noise in electronic circuits.

• They can also be used to store energy in flash cameras.

• Capacitors are measured in Farads (F).

A transform is a function that converts data from one form to another.

• Transforms are commonly used in signal processing to convert signals from one domain to another (e.g. time domain to frequency domain)

• In mathematics, a transform is a function that maps a set of values into another set of values

• Examples of transforms include Fourier transform, Laplace transform, and wavelet transform

A semiconductor is a material that has electrical conductivity between a conductor and an insulator, commonly used in electronic devices.

• Semiconductors have a conductivity between that of a conductor and an insulator

• They are commonly used in electronic devices such as transistors and diodes

• Examples of semiconductors include silicon, germanium, and gallium arsenide

Investors are individuals or organizations that provide capital to businesses in exchange for ownership stake or profit.

• Investors can be individuals, venture capital firms, private equity firms, or angel investors.

• They provide funding to businesses in exchange for equity ownership or a share of profits.

• Investors can also provide expertise, guidance, and networking opportunities to help the business grow.

• Examples of investors include Warren Buffett, Sequoia Capital, and Shark ...read more

CC in automobiles refers to the engine displacement measured in cubic centimeters.

• CC stands for cubic centimeters

• It is a unit used to measure the engine displacement of a vehicle

• Higher CC generally means more power and performance

• For example, a car with a 2.0L engine has a displacement of 2000cc